Funding for this research was provided by:
Research Trainees Coordinating Centre (nihr300405)
Received: 25 September 2020
Accepted: 14 October 2020
First Online: 17 November 2020
Ethics approval and consent to participate
: CovEMERALD was granted ethical approval by London-Fulham Research Ethics Committee REC Ref: 20/HRA/3633 on 24<sup>th</sup> August 2020. All participants will grant consent prior to registration and randomisation.
: Not applicable
: The authors declare that they have no competing interests.